​In November 2015 Tulloch Engineering's Mapping group was contracted to provide a complete engineering survey of six Metrolinx railway commuter corridors originating from Union Station in Toronto. Tulloch used a unique combination of mobile LiDAR, static LiDAR and conventional infill ground survey to complete the project. The survey is in support of the engineering design for Metrolinx's $4 billion Electrification project. James will describe the project , survey control, Mobile LiDAR and project deliverables as well as the unique and complex logistical challenges of surveying in heavily active transportation corridors.. For complete details...